1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.servlet;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  
28  import java.net.URI;
29  import java.net.URISyntaxException;
30  import java.net.URL;
31  
32  /**
33   * <a href="WebDirDetector.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   */
37  public class WebDirDetector {
38  
39      public static String getLibDir(ClassLoader classLoader) {
40          URL url = classLoader.getResource(
41              "com/liferay/util/bean/PortletBeanLocatorUtil.class");
42  
43          String file = null;
44  
45          try {
46              file = new URI(url.getPath()).getPath();
47          }
48          catch (URISyntaxException urise) {
49              file = url.getFile();
50          }
51  
52          if (_log.isDebugEnabled()) {
53              _log.debug("Lib url " + file);
54          }
55  
56          int pos = file.indexOf("/com/liferay/util/bean/");
57  
58          String libDir = file.substring(0, pos + 1);
59  
60          if (libDir.endsWith("/WEB-INF/classes/")) {
61              libDir = libDir.substring(0, libDir.length() - 8) + "lib/";
62          }
63          else {
64              pos = libDir.indexOf("/WEB-INF/lib/");
65  
66              if (pos != -1) {
67                  libDir = libDir.substring(0, pos) + "/WEB-INF/lib/";
68              }
69          }
70  
71          if (libDir.startsWith("file:/")) {
72              libDir = libDir.substring(5, libDir.length());
73          }
74  
75          return libDir;
76      }
77  
78      public static String getRootDir(ClassLoader classLoader) {
79          return getRootDir(getLibDir(classLoader));
80      }
81  
82      public static String getRootDir(String libDir) {
83          String rootDir = libDir;
84  
85          if (rootDir.endsWith("/WEB-INF/lib/")) {
86              rootDir = rootDir.substring(0, rootDir.length() - 12);
87          }
88  
89          return rootDir;
90      }
91  
92      private static Log _log = LogFactoryUtil.getLog(WebDirDetector.class);
93  
94  }